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HashSet vs. List performance
...be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20.
1 item LIST strs time: 617ms
1 item HASHSET strs t...
SQL to determine minimum sequential days of access?
...n user has accessed a website (in a 24 hour UTC period). It has many thousands of records, but only one record per day per user. If the user has not accessed the website for that day, no record will be generated.
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How to perform .Max() on a property of all objects in a collection and return the object with maximu
...rating through the data, remembering the maximum element we've seen so far and the maximum value it produced under the projection.
In your case you'd do something like:
var item = items.MaxBy(x => x.Height);
This is better (IMO) than any of the solutions presented here other than Mehrdad's se...
EntityType has no key defined error
...(without [Key]) until I change the data types (I changed them to unsigned) and only byte works is there a reason I can't use unsigned values?
– Mihai Bratulescu
May 29 '14 at 9:31
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How do I find out if the GPS of an Android device is enabled
On an Android Cupcake (1.5) enabled device, how do I check and activate the GPS?
10 Answers
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...ng for loops produce identical results even though one uses post increment and the other pre-increment.
12 Answers
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How to call Android contacts list?
I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work.
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Why does C++ not allow inherited friendship?
Why is friendship not at least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know ...
When should null values of Boolean be used?
...false while Boolean allows true , false , and null . I have started to convert my boolean s to Boolean s. This can cause crashes in tests such as
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
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Uploaded my proposal at github
(Is working with all android versions though view hardware acceleration is strongly recommended for this kind of animations. For non hardware accelerated devices a bitmap caching implementation should fit better)
Demo video with the animation is...